1 files changed, 543 insertions, 47 deletions

diff --git a/source4/ldap_server/ldap_backend.c b/source4/ldap_server/ldap_backend.c
index 1e6d05a9bd..562263371b 100644
--- a/source4/ldap_server/ldap_backend.c
+++ b/source4/ldap_server/ldap_backend.c
@@ -22,7 +22,79 @@
 #include "ldap_server/ldap_server.h"
 #include "dlinklist.h"
 #include "libcli/ldap/ldap.h"
+#include "lib/ldb/include/ldb.h"
+#include "lib/ldb/include/ldb_errors.h"
+#include "dsdb/samdb/samdb.h"
+
+#define VALID_DN_SYNTAX(dn,i) do {\
+	if (!(dn)) {\
+		return NT_STATUS_NO_MEMORY;\
+	} else if ((dn)->comp_num < (i)) {\
+		result = LDAP_INVALID_DN_SYNTAX;\
+		errstr = "Invalid DN (" #i " components needed for '" #dn "')";\
+		goto reply;\
+	}\
+} while(0)
+
+static int map_ldb_error(struct ldb_context *ldb, int err, const char **errstring)
+{
+	*errstring = ldb_errstring(ldb);
+	
+	/* its 1:1 for now */
+	return err;
+}
+
+/*
+  map controls
+*/
+static int get_ldb_controls(void *mem_ctx, struct ldap_Control **controls, struct ldb_control ***lcontrols)
+{
+	struct ldb_control **lctrl;
+	int i, l;
+
+	if (controls == NULL || controls[0] == NULL) {
+		*lcontrols = NULL;
+		return LDB_SUCCESS;
+	}
+
+	l = 0;
+	lctrl = NULL;
+	*lcontrols = NULL;
+	
+	for (i = 0; controls[i] != NULL; i++) {
+		lctrl = talloc_realloc(mem_ctx, lctrl, struct ldb_control *, l + 2);
+		if (lctrl == NULL) {
+			return LDB_ERR_OTHER;
+		}
+		lctrl[l] = talloc(lctrl, struct ldb_control);
+		if (lctrl[l] == NULL) {
+			return LDB_ERR_OTHER;
+		}
+		lctrl[l]->oid = controls[i]->oid;
+		lctrl[l]->critical = controls[i]->critical;
+		lctrl[l]->data = controls[i]->value;
+		l++;
+	}	
+	lctrl[l] = NULL;
 
+	*lcontrols = lctrl;
+
+	return LDB_SUCCESS;
+}
+
+/*
+  connect to the sam database
+*/
+NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn) 
+{
+	conn->ldb = samdb_connect(conn, conn->session_info);
+	if (conn->ldb == NULL) {
+		return NT_STATUS_INTERNAL_DB_CORRUPTION;
+	}
+	ldb_set_opaque(conn->ldb, "server_credentials", conn->server_credentials);
+
+	return NT_STATUS_OK;
+}
 
 struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type)
 {
@@ -50,11 +122,6 @@ void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply)
 	DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *);
 }
 
-struct ldapsrv_partition *ldapsrv_get_partition(struct ldapsrv_connection *conn, const char *dn, uint8_t scope)
-{
-	return conn->default_partition;
-}
-
 NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
 {
 	struct ldapsrv_reply *reply;
@@ -83,120 +150,549 @@ NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error)
 static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call)
 {
 	struct ldap_SearchRequest *req = &call->request->r.SearchRequest;
-	struct ldapsrv_partition *part;
+	struct ldap_SearchResEntry *ent;
+	struct ldap_Result *done;
+	struct ldapsrv_reply *ent_r, *done_r;
+	void *local_ctx;
+	struct ldb_context *samdb = call->conn->ldb;
+	struct ldb_dn *basedn;
+	struct ldb_result *res = NULL;
+	struct ldb_request lreq;
+	enum ldb_scope scope = LDB_SCOPE_DEFAULT;
+	const char **attrs = NULL;
+	const char *errstr = NULL;
+	int success_limit = 1;
+	int result = LDAP_SUCCESS;
+	int ldb_ret;
+	int i, j, y;
 
 	DEBUG(10, ("SearchRequest"));
 	DEBUGADD(10, (" basedn: %s", req->basedn));
 	DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree)));
 
-	part = ldapsrv_get_partition(call->conn, req->basedn, req->scope);
+	local_ctx = talloc_named(call, 0, "sldb_Search local memory context");
+	NT_STATUS_HAVE_NO_MEMORY(local_ctx);
+
+	basedn = ldb_dn_explode(local_ctx, req->basedn);
+	VALID_DN_SYNTAX(basedn, 0);
+
+	DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn));
+	DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree)));
+
+	switch (req->scope) {
+		case LDAP_SEARCH_SCOPE_BASE:
+			DEBUG(10,("SearchRequest: scope: [BASE]\n"));
+			scope = LDB_SCOPE_BASE;
+			success_limit = 0;
+			break;
+		case LDAP_SEARCH_SCOPE_SINGLE:
+			DEBUG(10,("SearchRequest: scope: [ONE]\n"));
+			scope = LDB_SCOPE_ONELEVEL;
+			success_limit = 0;
+			break;
+		case LDAP_SEARCH_SCOPE_SUB:
+			DEBUG(10,("SearchRequest: scope: [SUB]\n"));
+			scope = LDB_SCOPE_SUBTREE;
+			success_limit = 0;
+			break;
+	}
 
-	if (!part->ops->Search) {
-		struct ldap_Result *done;
-		struct ldapsrv_reply *done_r;
+	if (req->num_attributes >= 1) {
+		attrs = talloc_array(samdb, const char *, req->num_attributes+1);
+		NT_STATUS_HAVE_NO_MEMORY(attrs);
 
-		done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
-		if (!done_r) {
-			return NT_STATUS_NO_MEMORY;
+		for (i=0; i < req->num_attributes; i++) {
+			DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i]));
+			attrs[i] = req->attributes[i];
 		}
+		attrs[i] = NULL;
+	}
+
+	DEBUG(5,("ldb_request dn=%s filter=%s\n", 
+		 req->basedn, ldb_filter_from_tree(call, req->tree)));
 
-		done = &done_r->msg->r.SearchResultDone;
-		done->resultcode = 53;
-		done->dn = NULL;
-		done->errormessage = NULL;
-		done->referral = NULL;
+	ZERO_STRUCT(lreq);
+	lreq.operation = LDB_REQ_SEARCH;
+	lreq.op.search.base = basedn;
+	lreq.op.search.scope = scope;
+	lreq.op.search.tree = req->tree;
+	lreq.op.search.attrs = attrs;
 
-		ldapsrv_queue_reply(call, done_r);
-		return NT_STATUS_OK;
+	ldb_ret = get_ldb_controls(local_ctx, call->request->controls, &lreq.controls);
+
+	if (ldb_ret != LDB_SUCCESS) {
+		/* get_ldb_controls fails only on a critical internal error or when
+		 * a control is defined as critical but it is not supported
+		 */
+		goto reply;
 	}
 
-	return part->ops->Search(part, call);
+	ldb_ret = ldb_request(samdb, &lreq);
+
+	res = talloc_steal(samdb, lreq.op.search.res);
+
+	if (ldb_ret == LDB_SUCCESS) {
+		for (i = 0; i < res->count; i++) {
+			ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
+			NT_STATUS_HAVE_NO_MEMORY(ent_r);
+
+			ent = &ent_r->msg->r.SearchResultEntry;
+			ent->dn = ldb_dn_linearize(ent_r, res->msgs[i]->dn);
+			ent->num_attributes = 0;
+			ent->attributes = NULL;
+			if (res->msgs[i]->num_elements == 0) {
+				goto queue_reply;
+			}
+			ent->num_attributes = res->msgs[i]->num_elements;
+			ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes);
+			NT_STATUS_HAVE_NO_MEMORY(ent->attributes);
+			for (j=0; j < ent->num_attributes; j++) {
+				ent->attributes[j].name = talloc_steal(ent->attributes, res->msgs[i]->elements[j].name);
+				ent->attributes[j].num_values = 0;
+				ent->attributes[j].values = NULL;
+				if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) {
+					continue;
+				}
+				ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values;
+				ent->attributes[j].values = talloc_array(ent->attributes,
+								DATA_BLOB, ent->attributes[j].num_values);
+				NT_STATUS_HAVE_NO_MEMORY(ent->attributes[j].values);
+				for (y=0; y < ent->attributes[j].num_values; y++) {
+					ent->attributes[j].values[y].length = res->msgs[i]->elements[j].values[y].length;
+					ent->attributes[j].values[y].data = talloc_steal(ent->attributes[j].values,
+										res->msgs[i]->elements[j].values[y].data);
+				}
+			}
+queue_reply:
+			ldapsrv_queue_reply(call, ent_r);
+		}
+	}
+
+reply:
+	done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone);
+	NT_STATUS_HAVE_NO_MEMORY(done_r);
+
+	done = &done_r->msg->r.SearchResultDone;
+	done->dn = NULL;
+	done->referral = NULL;
+
+	if (ldb_ret == LDB_SUCCESS) {
+		if (res->count >= success_limit) {
+			DEBUG(10,("SearchRequest: results: [%d]\n", res->count));
+			result = LDAP_SUCCESS;
+			errstr = NULL;
+		} else if (res->count == 0) {
+			DEBUG(10,("SearchRequest: no results\n"));
+			result = LDAP_NO_SUCH_OBJECT;
+			errstr = ldb_errstring(samdb);
+		}
+		if (res->controls) {
+			done_r->msg->controls = (struct ldap_Control **)(res->controls);
+		}
+	} else {
+		DEBUG(10,("SearchRequest: error\n"));
+		result = map_ldb_error(samdb, ldb_ret, &errstr);
+	}
+
+	done->resultcode = result;
+	done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL);
+
+	talloc_free(local_ctx);
+
+	ldapsrv_queue_reply(call, done_r);
+	return NT_STATUS_OK;
 }
 
 static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call)
 {
 	struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest;
-	struct ldapsrv_partition *part;
+	struct ldap_Result *modify_result;
+	struct ldapsrv_reply *modify_reply;
+	void *local_ctx;
+	struct ldb_context *samdb = call->conn->ldb;
+	struct ldb_message *msg = NULL;
+	struct ldb_dn *dn;
+	const char *errstr = NULL;
+	int result = LDAP_SUCCESS;
+	int ldb_ret;
+	int i,j;
 
 	DEBUG(10, ("ModifyRequest"));
 	DEBUGADD(10, (" dn: %s", req->dn));
 
-	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);
+	local_ctx = talloc_named(call, 0, "ModifyRequest local memory context");
+	NT_STATUS_HAVE_NO_MEMORY(local_ctx);
+
+	dn = ldb_dn_explode(local_ctx, req->dn);
+	VALID_DN_SYNTAX(dn, 1);
+
+	DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn));
+
+	msg = talloc(local_ctx, struct ldb_message);
+	NT_STATUS_HAVE_NO_MEMORY(msg);
+
+	msg->dn = dn;
+	msg->private_data = NULL;
+	msg->num_elements = 0;
+	msg->elements = NULL;
+
+	if (req->num_mods > 0) {
+		msg->num_elements = req->num_mods;
+		msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods);
+		NT_STATUS_HAVE_NO_MEMORY(msg->elements);
+
+		for (i=0; i < msg->num_elements; i++) {
+			msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name);
+			msg->elements[i].num_values = 0;
+			msg->elements[i].values = NULL;
+
+			switch (req->mods[i].type) {
+			default:
+				result = LDAP_PROTOCOL_ERROR;
+				errstr = "Invalid LDAP_MODIFY_* type";
+				goto reply;
+			case LDAP_MODIFY_ADD:
+				msg->elements[i].flags = LDB_FLAG_MOD_ADD;
+				break;
+			case LDAP_MODIFY_DELETE:
+				msg->elements[i].flags = LDB_FLAG_MOD_DELETE;
+				break;
+			case LDAP_MODIFY_REPLACE:
+				msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
+				break;
+			}
+
+			msg->elements[i].num_values = req->mods[i].attrib.num_values;
+			if (msg->elements[i].num_values > 0) {
+				msg->elements[i].values = talloc_array(msg, struct ldb_val, msg->elements[i].num_values);
+				NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
+
+				for (j=0; j < msg->elements[i].num_values; j++) {
+					if (!(req->mods[i].attrib.values[j].length > 0)) {
+						result = LDAP_OTHER;
+						errstr = "Empty attribute values are not allowed";
+						goto reply;
+					}
+					msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length;
+					msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data;			
+				}
+			}
+		}
+	} else {
+		result = LDAP_OTHER;
+		errstr = "No mods are not allowed";
+		goto reply;
+	}
+
+reply:
+	modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse);
+	NT_STATUS_HAVE_NO_MEMORY(modify_reply);
 
-	if (!part->ops->Modify) {
-		return ldapsrv_unwilling(call, 53);
+	if (result == LDAP_SUCCESS) {
+		ldb_ret = ldb_modify(samdb, msg);
+		result = map_ldb_error(samdb, ldb_ret, &errstr);
 	}
 
-	return part->ops->Modify(part, call);
+	modify_result = &modify_reply->msg->r.AddResponse;
+	modify_result->dn = NULL;
+	modify_result->resultcode = result;
+	modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL);
+	modify_result->referral = NULL;
+
+	talloc_free(local_ctx);
+
+	ldapsrv_queue_reply(call, modify_reply);
+	return NT_STATUS_OK;
+
 }
 
 static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call)
 {
 	struct ldap_AddRequest *req = &call->request->r.AddRequest;
-	struct ldapsrv_partition *part;
+	struct ldap_Result *add_result;
+	struct ldapsrv_reply *add_reply;
+	void *local_ctx;
+	struct ldb_context *samdb = call->conn->ldb;
+	struct ldb_message *msg = NULL;
+	struct ldb_dn *dn;
+	const char *errstr = NULL;
+	int result = LDAP_SUCCESS;
+	int ldb_ret;
+	int i,j;
 
 	DEBUG(10, ("AddRequest"));
 	DEBUGADD(10, (" dn: %s", req->dn));
 
-	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);
+	local_ctx = talloc_named(call, 0, "AddRequest local memory context");
+	NT_STATUS_HAVE_NO_MEMORY(local_ctx);
+
+	dn = ldb_dn_explode(local_ctx, req->dn);
+	VALID_DN_SYNTAX(dn,1);
+
+	DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn));
+
+	msg = talloc(local_ctx, struct ldb_message);
+	NT_STATUS_HAVE_NO_MEMORY(msg);
+
+	msg->dn = dn;
+	msg->private_data = NULL;
+	msg->num_elements = 0;
+	msg->elements = NULL;
+
+	if (req->num_attributes > 0) {
+		msg->num_elements = req->num_attributes;
+		msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements);
+		NT_STATUS_HAVE_NO_MEMORY(msg->elements);
+
+		for (i=0; i < msg->num_elements; i++) {
+			msg->elements[i].name = discard_const_p(char, req->attributes[i].name);
+			msg->elements[i].flags = 0;
+			msg->elements[i].num_values = 0;
+			msg->elements[i].values = NULL;
+			
+			if (req->attributes[i].num_values > 0) {
+				msg->elements[i].num_values = req->attributes[i].num_values;
+				msg->elements[i].values = talloc_array(msg, struct ldb_val, msg->elements[i].num_values);
+				NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values);
+
+				for (j=0; j < msg->elements[i].num_values; j++) {
+					if (!(req->attributes[i].values[j].length > 0)) {
+						result = LDAP_OTHER;
+						errstr = "Empty attribute values are not allowed";
+						goto reply;
+					}
+					msg->elements[i].values[j].length = req->attributes[i].values[j].length;
+					msg->elements[i].values[j].data = req->attributes[i].values[j].data;			
+				}
+			} else {
+				result = LDAP_OTHER;
+				errstr = "No attribute values are not allowed";
+				goto reply;
+			}
+		}
+	} else {
+		result = LDAP_OTHER;
+		errstr = "No attributes are not allowed";
+		goto reply;
+	}
+
+reply:
+	add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse);
+	NT_STATUS_HAVE_NO_MEMORY(add_reply);
 
-	if (!part->ops->Add) {
-		return ldapsrv_unwilling(call, 53);
+	if (result == LDAP_SUCCESS) {
+		ldb_ret = ldb_add(samdb, msg);
+		result = map_ldb_error(samdb, ldb_ret, &errstr);
 	}
 
-	return part->ops->Add(part, call);
+	add_result = &add_reply->msg->r.AddResponse;
+	add_result->dn = NULL;
+	add_result->resultcode = result;
+	add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL);
+	add_result->referral = NULL;
+
+	talloc_free(local_ctx);
+
+	ldapsrv_queue_reply(call, add_reply);
+	return NT_STATUS_OK;
+
 }
 
 static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call)
 {
 	struct ldap_DelRequest *req = &call->request->r.DelRequest;
-	struct ldapsrv_partition *part;
+	struct ldap_Result *del_result;
+	struct ldapsrv_reply *del_reply;
+	void *local_ctx;
+	struct ldb_context *samdb = call->conn->ldb;
+	struct ldb_dn *dn;
+	const char *errstr = NULL;
+	int result = LDAP_SUCCESS;
+	int ldb_ret;
 
 	DEBUG(10, ("DelRequest"));
 	DEBUGADD(10, (" dn: %s", req->dn));
 
-	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);
+	local_ctx = talloc_named(call, 0, "DelRequest local memory context");
+	NT_STATUS_HAVE_NO_MEMORY(local_ctx);
+
+	dn = ldb_dn_explode(local_ctx, req->dn);
+	VALID_DN_SYNTAX(dn,1);
+
+	DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn));
 
-	if (!part->ops->Del) {
-		return ldapsrv_unwilling(call, 53);
+reply:
+	del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
+	NT_STATUS_HAVE_NO_MEMORY(del_reply);
+
+	if (result == LDAP_SUCCESS) {
+		ldb_ret = ldb_delete(samdb, dn);
+		result = map_ldb_error(samdb, ldb_ret, &errstr);
 	}
 
-	return part->ops->Del(part, call);
+	del_result = &del_reply->msg->r.DelResponse;
+	del_result->dn = NULL;
+	del_result->resultcode = result;
+	del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL);
+	del_result->referral = NULL;
+
+	talloc_free(local_ctx);
+
+	ldapsrv_queue_reply(call, del_reply);
+	return NT_STATUS_OK;
 }
 
 static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call)
 {
 	struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest;
-	struct ldapsrv_partition *part;
+	struct ldap_Result *modifydn;
+	struct ldapsrv_reply *modifydn_r;
+	void *local_ctx;
+	struct ldb_context *samdb = call->conn->ldb;
+	struct ldb_dn *olddn, *newdn, *newrdn;
+	struct ldb_dn *parentdn = NULL;
+	const char *errstr = NULL;
+	int result = LDAP_SUCCESS;
+	int ldb_ret;
 
 	DEBUG(10, ("ModifyDNRequrest"));
 	DEBUGADD(10, (" dn: %s", req->dn));
 	DEBUGADD(10, (" newrdn: %s", req->newrdn));
 
-	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);
+	local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context");
+	NT_STATUS_HAVE_NO_MEMORY(local_ctx);
+
+	olddn = ldb_dn_explode(local_ctx, req->dn);
+	VALID_DN_SYNTAX(olddn, 2);
+
+	newrdn = ldb_dn_explode(local_ctx, req->newrdn);
+	VALID_DN_SYNTAX(newrdn, 1);
+
+	DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn));
+	DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn));
 
-	if (!part->ops->ModifyDN) {
-		return ldapsrv_unwilling(call, 53);
+	/* we can't handle the rename if we should not remove the old dn */
+	if (!req->deleteolddn) {
+		result = LDAP_UNWILLING_TO_PERFORM;
+		errstr = "Old RDN must be deleted";
+		goto reply;
 	}
 
-	return part->ops->ModifyDN(part, call);
+	if (newrdn->comp_num > 1) {
+		result = LDAP_NAMING_VIOLATION;
+		errstr = "Error new RDN invalid";
+		goto reply;
+	}
+
+	if (req->newsuperior) {
+		parentdn = ldb_dn_explode(local_ctx, req->newsuperior);
+		VALID_DN_SYNTAX(parentdn, 0);
+		DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior));
+		
+		if (parentdn->comp_num < 1) {
+			result = LDAP_AFFECTS_MULTIPLE_DSAS;
+			errstr = "Error new Superior DN invalid";
+			goto reply;
+		}
+	}
+
+	if (!parentdn) {
+		parentdn = ldb_dn_get_parent(local_ctx, olddn);
+		NT_STATUS_HAVE_NO_MEMORY(parentdn);
+	}
+
+	newdn = ldb_dn_make_child(local_ctx, ldb_dn_get_rdn(local_ctx, newrdn), parentdn);
+	NT_STATUS_HAVE_NO_MEMORY(newdn);
+
+reply:
+	modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse);
+	NT_STATUS_HAVE_NO_MEMORY(modifydn_r);
+
+	if (result == LDAP_SUCCESS) {
+		ldb_ret = ldb_rename(samdb, olddn, newdn);
+		result = map_ldb_error(samdb, ldb_ret, &errstr);
+	}
+
+	modifydn = &modifydn_r->msg->r.ModifyDNResponse;
+	modifydn->dn = NULL;
+	modifydn->resultcode = result;
+	modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL);
+	modifydn->referral = NULL;
+
+	talloc_free(local_ctx);
+
+	ldapsrv_queue_reply(call, modifydn_r);
+	return NT_STATUS_OK;
 }
 
 static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call)
 {
 	struct ldap_CompareRequest *req = &call->request->r.CompareRequest;
-	struct ldapsrv_partition *part;
+	struct ldap_Result *compare;
+	struct ldapsrv_reply *compare_r;
+	void *local_ctx;
+	struct ldb_context *samdb = call->conn->ldb;
+	struct ldb_result *res = NULL;
+	struct ldb_dn *dn;
+	const char *attrs[1];
+	const char *errstr = NULL;
+	const char *filter = NULL;
+	int result = LDAP_SUCCESS;
+	int ldb_ret;
 
 	DEBUG(10, ("CompareRequest"));
 	DEBUGADD(10, (" dn: %s", req->dn));
 
-	part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB);
-
-	if (!part->ops->Compare) {
-		return ldapsrv_unwilling(call, 53);
+	local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context");
+	NT_STATUS_HAVE_NO_MEMORY(local_ctx);
+
+	dn = ldb_dn_explode(local_ctx, req->dn);
+	VALID_DN_SYNTAX(dn, 1);
+
+	DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn));
+	filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute, 
+				 (int)req->value.length, req->value.data);
+	NT_STATUS_HAVE_NO_MEMORY(filter);
+
+	DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter));
+
+	attrs[0] = NULL;
+
+reply:
+	compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
+	NT_STATUS_HAVE_NO_MEMORY(compare_r);
+
+	if (result == LDAP_SUCCESS) {
+		ldb_ret = ldb_search(samdb, dn, LDB_SCOPE_BASE, filter, attrs, &res);
+		talloc_steal(samdb, res);
+		if (ldb_ret != LDB_SUCCESS) {
+			result = map_ldb_error(samdb, ldb_ret, &errstr);
+			DEBUG(10,("CompareRequest: error: %s\n", errstr));
+		} else if (res->count == 0) {
+			DEBUG(10,("CompareRequest: doesn't matched\n"));
+			result = LDAP_COMPARE_FALSE;
+			errstr = NULL;
+		} else if (res->count == 1) {
+			DEBUG(10,("CompareRequest: matched\n"));
+			result = LDAP_COMPARE_TRUE;
+			errstr = NULL;
+		} else if (res->count > 1) {
+			result = LDAP_OTHER;
+			errstr = "too many objects match";
+			DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr));
+		}
 	}
 
-	return part->ops->Compare(part, call);
+	compare = &compare_r->msg->r.CompareResponse;
+	compare->dn = NULL;
+	compare->resultcode = result;
+	compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL);
+	compare->referral = NULL;
+
+	talloc_free(local_ctx);
+
+	ldapsrv_queue_reply(call, compare_r);
+	return NT_STATUS_OK;
 }
 
 static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call)